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calibration solution
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ALAN HAYNES
Cleanitup God
Posts:
267
calibration solution
«
on:
April 17, 2008, 11:23:53 am »
can any body tell me how to use the
solution is 342 ppm
i have two t.d.s meters and both reading 367 ppm does this mean they out of calibration
if they are can you change ppm or just replace
alan
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ALAN HAYNES
Cleanitup God
Posts:
267
Re: calibration solution
«
Reply #1 on:
April 17, 2008, 11:28:15 am »
went a bit pete tong
just got some calilabtion solution which is 342 ppm but my t.d.s meter reads 367 ppm can you change or just replace
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michael papworth
Guest
Re: calibration solution
«
Reply #2 on:
April 17, 2008, 07:01:50 pm »
Does it matter?
The only point on the scale that we really care about is between 000 and 005 or 006. As long as the meter is accurate down that end of the scale you don't really care about 350 or 400, do you?
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calibration solution